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Using database views in Grails

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This post is a quick explanation on how to use database views in Grails. For an introduction I tried to summarize what database views are. However, I noticed I cannot describe it better than it is already done on Wikipedia. Therefore I will just quote the Wikipedia summary of View (SQL) here:           In database theory, ...

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Simple Message Queue using Redis

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In this posts we will use Redis as a simple message queue, using list commands. Let’s say we have an application that allows the users to upload a photo. Then in the application we display the photo in different sizes like Thumb, Medium and Large. In a first implementation we could have the task of processing the uploaded image in ...

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What’s new in Spring

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Let’s check on some new releases announced by the Spring community over the previous days: Spring Boot 1.0.0.RC1 Spring was pleased to announce the first release candidate of Spring Boot v1.0.0. It contains a number of bug fixes and enhancements over the previous milestone. Binaries have been published to the Spring Maven Repository. The project page is updated with download ...

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Something to Consider as Java Tops the Programming Charts

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The following is a contributed article from Dennis Chu of Coverity: Something to Consider as Java Tops the Programming Charts By Dennis Chu, Senior Product Manager, Coverity For development teams, it may be obvious: Java is one of the top programming languages today. Approximately 9 million developers are currently working in Java; it’s said to be running on three billion ...

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Can you Learn and Improve without Agile Retrospectives? Of course you can…

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Retrospectives – bringing the team together on a regular basis to examine how they are working and identify where and how they can improve – are an important part of Agile development. Scrum and “Inspect and Adapt” So important that Schwaber and Sutherland burned retrospectives into Scrum at the end of every Sprint, to make sure that teams will continuously ...

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Proof-of-Concept Using Spring Roo

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In my time with Keyhole, I’ve been involved in a number of projects where the client was asking us to rewrite a legacy system while retaining their existing database. Sometimes it helps to give a quick demo on how using current technologies can make it easier to develop, test, and maintain their code. One way I’ve found to get a ...

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Drools : PHREAK Stack Based Evaluations and Backward Chaining

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A while back I wrote a blog on our new algorithm: http://blog.athico.com/2013/11/rip-rete-time-to-get-phreaky.html Someone asked me about the new stack based system, and how backward chaining works. I replied to them in an email, but I thought others might find it useful, so have pasted it below. It’s written straight from my brain onto the page, so it’ a bit raw ...

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Playing with JerseyTest (Jersey 2.5.1 and DI)

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I’m going to try explaining a trivial REST example. The idea is building a basic schema to start playing with Jersey. When I begin to use some framework, I usually develop a test enviroment for failing fast, and that is what I’m going to do. The next example has these features: Jersey 2.5.1 Dependency Injection JUnit for testing     ...

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Acceptance Test Driven Development

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In this short series about acceptance testing I previously wrote about collaboration between testers and developers and how acceptance tests help to define clear requirements of a system. Where the previous article were on the theoretical side, let’s now take a look at using acceptance testing as a practice in our development process. I prefer using Acceptance Test Driven Development, ...

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